Question

sun is also a star
But why it appears in day time
whereas other stars appear in night Time

Answer 1

because sun is the closest star to the Earth and the other stars are very far from the Earth due to which light of sun comes on earth more o other stars also Twinkle at the at always but they appear in the night because the sun is not there to scatter away their lights

Answer 2

sun also see in night what we cannot see because the sun rotates . on one side there is a night and on other side there is a day.